#3965BD#3965BD

#3965BD is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.2% C 0.147 H 262.5°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3965BD
RGB	rgb(57, 101, 189)
HSL	hsl(220, 54%, 48%)
HSV	hsv(220, 70%, 74%)
CMYK	cmyk(69.8%, 46.6%, 0%, 25.9%)
CIE-LAB	lab(44.02, 14.61, -50.81)
CIE-LCH	lch(44.02, 52.87, 286.05°)
OKLab	oklab(52.23% -0.0192 -0.1456)
OKLCH	oklch(52.23% 0.147 262.5)
XYZ	xyz(15.5231, 13.8497, 49.9894)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965BD #BD9139

analogous

#39A7BD #3965BD #4F39BD

triadic

#3965BD #BD3965 #65BD39

tetradic

#3965BD #BD39A7 #BD9139 #39BD4F

square

#3965BD #BD39A7 #BD9139 #39BD4F

split-complementary

#3965BD #BD4F39 #A7BD39

monochromatic

#1D335F #2B4C8E #3965BD #6387D0 #92ACDE

Accessibility & contrast

On white

5.57

#3965BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3965BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965BD

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965BD	#FFFFFF	#000000	##FFFFFF
##3965BD	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386FC0

Deuteranopia (green-blind)

#1B62BB

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3965bd;
/* rgb */ color: rgb(57, 101, 189);
/* oklch */ color: oklch(52.2% 0.147 262.5);

Tailwind

colors: {
  custom: {
    50: '#7f90d1',
    500: '#3965bd',
    950: '#000000',
  },
}

SCSS

$custom: #3965bd;
$custom-light: #7f90d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3965bd",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 189
  },
  "hsl": {
    "h": 220,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.52225,
    "c": 0.14681,
    "h": 262.5
  },
  "luminance": 0.13851
}

Semantic roles & 50–950 ramp

primary

#3965BD

secondary

#C9B489

accent

#AC4BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3965BD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →